{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["product producer", "entity destination", "component whole", "instrument agency"], "input": "in biological anatomy , the mesencephalon ( or midbrain ) comprises the tectum ( or corpora quadrigemini ) , tegmentum , the ventricular mesocoelia ( or `` iter '' ) , and the cerebral peduncles , as well as several nuclei and fasciculi ."}
{"product producer": [], "entity destination": [], "component whole": [{"subject": "mesencephalon", "object": "tectum"}], "instrument agency": []}